<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
        .break-word {
            width: 200px; /* 设置一个宽度 */
            border: 1px solid #000; /* 边框方便查看 */
            overflow-wrap: break-word; /* 强制断行 */
        }
    </style>
    <title>Word Break Example</title>
</head>
<body>
    <div class="break-word">
        asdasdexampleasdasdexampleasdasdexampleasdasd
    </div>
</body>
</html>